the answer to your question fundamentally comes down to what happened in and around iraq. john mccain was very much a supporter, you'll remember, a proponent of the military surge that he believed saved the iraq war from getting even worse than it was. at the time, chuck hagel said it was one of the greatest foreign policy blunders since vietnam. it really what is their shared experience, jake, in vietnam, that's what drew them together. that's what sent mccain out to campaign for the first election in 1996. but it was that same experience that tore them apart policywise, on iraq. because hagel, as an enlisted man, thought that war should be the last resort. then you have on the opposite side, mccain who saw war and the vietnam war, as a lesson that we should never give up. and that was what he wanted to do in in iraq. policywise, that's what changed them. friendship-wise, i'm told they just drifted apart. you know john mccain, and chuck hagel when you have a policy that you're so passionate about, it hurts a person as well. >> of course, the fact that he was an enlisted m